Substituent effects in the intramolecular inverse electron demanddeils-alder reactions of 5-(p-substituted phenyl)-2-(1,1-dicyanopent-4-yn-1-yl)pyrimidines von Frissen, A.E., Marcelis, A.T.M., Melger, W.C., van der Plas, H.C.

Volltext

Substituent effects in the intramolecular inverse electron demand Diels-Alder reactions of 5-(p-substituted phenyl)-2-(1,1-dicyanopent-4-yn-1-yl)pyrimidines von Frissen, A.E, Marcelis, A.T.M, Melger, W.C, Plas, H.C., van der

Volltext

Determination of ginkgolides and bilobalide in Ginkgo biloba leaves, extracts, and phytopharmaceuticals von Beek, T.A. van, Scheeren, H.A, Rantio, T, Griepink, F.C, Melger, W.C

Volltext